<?php
require_once 'Helper.php';
$helper = new Helper();
function test($value) {
    global $helper;
    print_r($value);
    echo ' -> ';
    print_r($helper->stripSlashes($value));
    echo '<br>';
}
test('test');
test("te\'st");
test("te\\\'st");
test($_GET);
print_r($_GET);
$_GET = $helper->stripSlashes($_GET);
print_r($_GET);
?>